Kinetic phase transitions and tricritical point in an Ising model with competing dynamics |
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| Affiliation: | 1. Surface and Nanoscience Division, Materials Science Group, Indira Gandhi Centre for Atomic Research, HBNI, Kalpakkam 603 102, India;2. Council of Scientific and Industrial Research–Central Electronics Engineering Research Institute, Pilani 333031, Rajasthan, India;1. Banaras Hindu University, Varanasi, Uttar Pradesh, India;2. Chaudhary Charan Singh University, Meerut, Uttar Pradesh, India;1. Institute of Optoelectronic Technology, Fuzhou University, Fuzhou 350002, People’s Republic of China;2. Department of Department of Electronics and Computer Engineering, Hanyang University, Seoul 133-791, Republic of Korea;1. Institute of Ultrasound Imaging of Chongqing Medical University, Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, PR China;2. State Laboratory of High Performance Ceramic and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, PR China;1. Department of Mechanical Engineering, Lashtenesha-Zibakenar Branch, Islamic Azad University, Lashtenesha, Iran;2. Department of Mechanical Engineering, University of Guilan, P.O. Box 3756, Rasht, Iran;3. Young Researchers and Elite Club, Lahijan Branch, Islamic Azad University, Lahijan, Iran |
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| Abstract: | The nonequilibrium phase diagram of an Ising model in which the evolution of the spins reflects diffusion as well as ordering, is determined via dynamic mean-field theory (pair approximation). There is a first-order transition (in zero field) for sufficiently large diffusion rates. |
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